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15. Installation
5) Connection of the pipes-Outdoor
Align the center of the pipings and sufficiently tighten
the flare nut by hand.
Finally, tighten the flare nut with torque wrench until the
wrench clicks.
• When tightening the flare nut with torque wrench,
ensure the direction for tightening follows the arrow on
the wrench.
Outside diameter
mm
inch
Ø6.35
1/4
Ø9.52
3/8
Ø12.7
1/2
Ø15.88
5/8
Ø19.05
3/4
78
Ceiling & Floor, Ceiling Suspended (50Hz, R22)
Torque
kg . m
1.8
4.2
5.5
6.6
6.6
Outdoor unit
Outdoor unit
Gas side piping
Liquid side piping
(Bigger diameter)
(Smaller diameter)
Gas side
piping
Liquid side
(Bigger
piping
diameter)
(Smaller
diameter)
Torque wrench
Torque wrench
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